Polyimide (Kapton) Masking Tape

(Kapton Masking Tape)

Our Polyimide (Kapton) Masking Tape, commonly referred to as Kapton Tape, is engineered for high-temperature masking, insulation, and protection in electronics and industrial manufacturing. With excellent dimensional stability, dielectric strength, and chemical resistance, this tape is ideal for demanding processes like wave soldering, reflow, and conformal coating protection.

Polyimide (Kapton) Masking Tape

Key Features & Benefits

  • High-Temperature Tolerance: Retains adhesion and structure under elevated thermal cycling.
  • Excellent Electrical Insulation: Provides strong dielectric strength for electronic protection.
  • Chemical & Solvent Resistance: Withstands flux, solvents, and cleaning agents used in PCB processing.
  • Low Outgassing: Minimal vapor emission- suitable for cleanroom and aerospace applications.
  • Conformable & Flexible: Adheres well to curved surfaces and detailed geometries.

Applications

Technical Specifications

  • Base Film: Polyimide (Kapton)
  • Adhesive: High-temperature compatible adhesive (silicone or acrylic)
  • Temperature Range: Suitable for reflow, solder cycles, and high heat exposure
  • Thickness: Multiple film/adhesive thickness options available
  • Dielectric & Mechanical Properties: High dielectric strength, stable under thermal stress
  • Formats: Rolls, die-cut, tape with liner

Why Choose Our Polyimide Masking Tape?

  • Delivers reliable performance in extreme heat processes
  • Acts as a strong electrical insulator in tight assemblies
  • Resistant to chemicals, flux, and cleaning agents used in electronics
  • Minimal outgassing makes it safe for sensitive and clean environments
  • Flexible and conformable, ideal for complex geometries

Ordering & Availability

  • Offered in various widths, lengths, and thicknesses
  • Custom die-cut tape shapes for precise coverage
  • Samples available for process testing
  • Supplied with quality assurance, lot traceability, and performance documentation

Need a tape that can survive your hottest processes and toughest environments?

Contact us now to request a quote for our Polyimide Masking Tape (Kapton Tape), we’ll help you pick the right variant for your application.

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Download Datasheet
Rank Part Number Product Description Width (in) Length (yds) Thickness
1 KMT-006-4MM-33 Kapton Masking Tape 5/32″ 5/32 36 2.48 mil
2 KMT-00615-33 Kapton Masking Tape 19/32″ 19/32 36 2.48 mil
3 KMT-0066.4-33 Kapton Masking Tape 1/4″ 1/4 36 2.48 mil
4 KMT-0069.5-33 Kapton Masking Tape 3/8″ 3/8 36 2.48 mil
5 KMT-00612.7-33 Kapton Masking Tape 1/2″ 1/2 36 2.48 mil
6 KMT-00619.0-33 Kapton Masking Tape 3/4″ 3/4 36 2.48 mil
7 KMT-00625.0-33 Kapton Masking Tape 1″ 1 36 2.48 mil
8 KMT-00638.0-33 Kapton Masking Tape 1-1/2″ 1-1/2 36 2.48 mil
9 KMT-00650.0-33 Kapton Masking Tape 2″ 2 36 2.48 mil
10 KMT-006-75MM-33 Kapton Masking Tape 3″ 3 36 2.48 mil
11 KMT-00620-33 POLYMIDE SILICON ADHESIVE 3/4″ 3/4 36 2.7 mil
12 KMT-00625.4-33 POLYMIDE SILICON ADHESIVE 1″ 1 36 2.7 mil